File:Green Banks - Ewen-Purcell Horn Antenna.jpg
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Original file (2,592 × 3,872 pixels, file size: 3.88 MB, MIME type: image/jpeg)
| Description |
English: Horn antena used by Harold L. Ewen and Edward M. Purcell at the Lyman Laboratory of Physics at Harvard University in 1951 for the first detection of radio radiation from nuclear atomic hydrogen gas in the milky Way at a wevelength of 21 centimeters. Now at National Radio Astronomy Observatory in Green Bank, West Virginia. |
| Date | |
| Source | Own work |
| Author | Jarek Tuszyński |
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| Camera location |   | View this and other nearby images on: OpenStreetMap |  |
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Jarek Tuszyński, the copyright holder of this work, hereby publishes it under the following licenses:
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Attribution: Jarek Tuszyński / CC-BY-SA-3.0 & GDFL
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
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| Annotations | This image is annotated: View the annotations at Commons |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:51, 26 September 2009 | | 2,592 × 3,872 (3.88 MB) | commons>Jarekt | {{Information |Description={{en|1= Horn antena used by Harold L. Ewen and Edward M. Purcell at thhe Lyman Laboratory of Physics at Hardward University in 1951 for the first detection of radio radiation from nuclear atomic hydrogen gas in the milky way at |
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